Source : Webster's Revised Unabridged Dictionary (1913)

Madrona \Ma*dro"[~n]a\, n. [Sp. madro[~n]o.] (Bot.)
   A small evergreen tree or shrub ({Arbutus Menziesii}), of
   California, having a smooth bark, thick shining leaves, and
   edible red berries, which are often called madro[~n]a apples.
   [Written also {madro[~n]o}.]

Source : WordNet®

madrona
     n : evergreen tree of the Pacific coast of North America having
         glossy leathery leaves and orange-red edible berries;
         wood used for furniture and bark for tanning [syn: {madrono},
          {manzanita}, {Arbutus menziesii}]